US10911205B2 - Method and device for feeding back downlink data - Google Patents

Method and device for feeding back downlink data Download PDF

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US10911205B2
US10911205B2 US16/325,178 US201716325178A US10911205B2 US 10911205 B2 US10911205 B2 US 10911205B2 US 201716325178 A US201716325178 A US 201716325178A US 10911205 B2 US10911205 B2 US 10911205B2
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uplink
downlink
feedback
information
subframe
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US20190190680A1 (en
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Qianqian Si
Xueming Pan
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Datang Mobile Communications Equipment Co Ltd
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China Academy of Telecommunications Technology CATT
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1864—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames

Definitions

  • the present invention relates to the field of communications, and particularly to a method and apparatus for making feedback for downlink data.
  • TTI Transmission Time Interval
  • UE User Equipment
  • Table 1 depicts uplink-downlink configurations of subframes in a Time Division Duplex (TDD) mode in a Long Term Evolution (LTE) system, where the length of a radio frame in the TDD mode is 10 milliseconds, each radio frame includes ten subframes 0 to 0 in total, and the length of a subframe is 1 millisecond; seven uplink-downlink configurations of subframes in total are defined for each radio frame in the prior art, and the configurations are numbered 0 to 6 respectively; and as depicted in Table 1, D is a downlink subframe, U is an uplink subframe, and S is a special subframe.
  • TDD Time Division Duplex
  • LTE Long Term Evolution
  • the UE receives downlink data in a downlink or special subframe m, and processes and transmits the downlink data in k subframes (k milliseconds), and then can make feedback in a subsequent uplink subframe about whether the downlink data are to be retransmitted, where the feedback includes Acknowledgement (ACK) feedback and Negative Acknowledgement (NACK) feedback.
  • ACK Acknowledgement
  • NACK Negative Acknowledgement
  • the feedback timing information for making feedback for downlink data, and the implicit PUCCH resource indicated according to the feedback timing information in the prior art may not be applicable.
  • the feedback timing information for making feedback for downlink data may not be applicable if the processing duration in the UE is shortened.
  • Embodiments of the invention provide a method and apparatus for making feedback for downlink data so as to address the problem in the prior art the feedback timing information for making feedback for downlink data may not be applicable if the processing duration in the UE is shortened.
  • An embodiment of the invention provides a method for making feedback for downlink data, the method including:
  • UE User Equipment
  • An embodiment of the invention further provides an apparatus for making feedback for downlink data, the apparatus including:
  • a processing module configured to determine a processing capability of a User Equipment (UE), wherein the processing capability refers to a processing duration that the UE takes to process received downlink data to decide whether to retransmit the downlink data;
  • UE User Equipment
  • a feedback module configured to determine feedback timing information for the UE to make feedback for the downlink data, according to the determined processing capability.
  • An embodiment of the invention provides a User Equipment (UE) including:
  • a processor configured to read and execute program in a memory:
  • the processing capability refers to a processing duration that the UE takes to process received downlink data to decide whether to retransmit the downlink data
  • a processor configured to read and execute program in a memory:
  • the processing capability refers to a processing duration that the UE takes to process received downlink data to decide whether to retransmit the downlink data
  • the feedback timing information for the UE to make feedback for the downlink data can be determined respectively according to the different processing capability of the UE, i.e., the different processing duration for the UE to process the received downlink data to decide whether to retransmit the downlink data, and at this time, if the processing duration in the UE is shortened, then the feedback timing information for making feedback for the downlink data will be adapted, and feedback will be made for the downlink data, thus improving the user-plane delay performance.
  • FIG. 1 is a schematic flow chart of a method for making feedback for downlink data according to a first embodiment of the invention.
  • FIG. 2 is a schematic diagram of making feedback for downlink data by a UE in three processes in a solution according to a second embodiment of the invention.
  • FIG. 3 is a schematic diagram of making feedback for downlink data by a UE in five processes in a solution according to a third embodiment of the invention.
  • FIG. 4 is a schematic diagram of making feedback for downlink data by a UE in eight processes in a solution according to a fourth embodiment of the invention.
  • FIG. 5 a is a schematic diagram of making feedback for downlink data by a UE in seven processes in a solution according to a fifth embodiment of the invention.
  • FIG. 5 b is a schematic diagram of feedback timing in an uplink subframe 2 respectively in a UE with the processing duration being three subframes, and in the solution according to the fifth embodiment of the invention.
  • FIG. 5 c is a schematic diagram of allocated implicit PUCCH resources for transmitting feedback information in the uplink subframe 2 according to the fifth embodiment of the invention.
  • FIG. 6 is a schematic diagram of making feedback for downlink data by a UE in ten processes in a solution according to a sixth embodiment of the invention.
  • FIG. 7 is a schematic diagram of making feedback for downlink data by a UE in thirteen processes in a solution according to a seventh embodiment of the invention.
  • FIG. 8 is a schematic diagram of making feedback for downlink data by a UE in five processes in a solution according to an eighth embodiment of the invention.
  • FIG. 9 is a schematic diagram of making feedback for downlink data by a UE in two processes in a solution according to a ninth embodiment of the invention.
  • FIG. 10 is a schematic diagram of making feedback for downlink data by a UE in three processes in a solution according to a tenth embodiment of the invention.
  • FIG. 11 is a schematic diagram of making feedback for downlink data by a UE in six processes in a solution according to an eleventh embodiment of the invention.
  • FIG. 12 is a schematic diagram of making feedback for downlink data by a UE in seven processes in a solution according to a twelfth embodiment of the invention.
  • FIG. 13 is a schematic diagram of making feedback for downlink data by a UE in eight processes in a solution according to a thirteenth embodiment of the invention.
  • FIG. 14 is a schematic diagram of making feedback for downlink data by a UE in twelve processes in a solution according to a fourteenth embodiment of the invention.
  • FIG. 15 is a schematic diagram of making feedback for downlink data by a UE in five processes in a solution according to a fifth embodiment of the invention.
  • FIG. 16 a is a first schematic structural diagram of an apparatus for making feedback for downlink data according to a sixteenth embodiment of the invention.
  • FIG. 16 b is a second schematic structural diagram of an apparatus for making feedback for downlink data according to the sixteenth embodiment of the invention.
  • FIG. 16 c is a third schematic structural diagram of an apparatus for making feedback for downlink data according to the sixteenth embodiment of the invention.
  • FIG. 16 d is a schematic structural diagram in details of an apparatus for making feedback for downlink data according to the sixteenth embodiment of the invention.
  • FIG. 17 is a schematic structural diagram of a User Equipment (UE) according to a seventeenth embodiment of the invention.
  • UE User Equipment
  • FIG. 18 is a schematic structural diagram of a network-side device according to an eighteenth embodiment of the invention.
  • embodiments of the invention provide a method for making feedback for downlink data, and preferable embodiments of the invention will be described below with reference to the drawings; and it shall be appreciated that the preferable embodiments to be described are only intended to illustrate and explain the invention, but not to limit the invention thereto.
  • the embodiments of the invention, and features in the embodiments can be combined with each other unless they conflict with each other.
  • the first embodiment of the invention provides a method for making feedback for downlink data
  • FIG. 1 illustrates a schematic flow chart thereof, where the method can particularly include the following steps.
  • the step S 101 is to determine a processing capability of a User Equipment (UE), where the processing capability refers to a processing duration that the UE takes to process received downlink data to decide whether to retransmit the downlink data.
  • UE User Equipment
  • the step S 102 is to determine feedback timing information for the UE to make feedback for the downlink data, according to the determined processing capability.
  • both the UE and a network-side device can implement the solution according to the first embodiment of the invention.
  • a network-side device e.g., an evolved Node B (eNB)
  • eNB evolved Node B
  • the UE determines the feedback timing information applicable thereto according to its processing capability, and feedback timing information corresponding to different processing capabilities.
  • the network-side device When the network-side device implements the solution, it can receive the processing capability reported by the UE, and determine the feedback timing information applicable to the UE according to the processing capability reported by the UE. Particularly the network-side device can transmit all the feedback timing information in respective uplink-downlink configurations adapted to the processing capability of the UE directly to the UE, or can notify the UE of an uplink-downlink configuration to be applied to the UE, and feedback timing information corresponding to the uplink-downlink configuration.
  • the feedback timing information for the UE to make feedback for the downlink data can be determined respectively according to the different processing capability of the UE, i.e., the different processing duration for the UE to process the received downlink data to decide whether to retransmit the downlink data, and at this time, if the processing duration in the UE is shortened, then the feedback timing information for making feedback for the downlink data will be adapted, and feedback will be made for the downlink data, thus improving the user-plane delay performance.
  • first feedback timing information for the UE to make data for the downlink data will be determined, where the first feedback timing information is feedback timing information defined in the 3 rd Generation Partnership Project Long Term Evolution Release 13 (3GPP LTE Rel-13) and earlier releases; and if the processing duration corresponding to the processing capability is less than three subframes, then second feedback timing information for the UE to make data for the downlink data will be determined, where the shortest duration for the UE to make feedback for the received downlink data according to feedback timing indicated in the second feedback timing information is less than the shortest duration for the UE to make feedback for the received downlink data according to feedback timing indicated in the first feedback timing information.
  • the first feedback timing information is feedback timing information defined in the 3 rd Generation Partnership Project Long Term Evolution Release 13 (3GPP LTE Rel-13) and earlier releases
  • second feedback timing information for the UE to make data for the downlink data will be determined, where the shortest duration for the UE to make feedback for the received downlink data according to feedback timing indicated in the second feedback timing information is less than
  • the processing length of time corresponding to the determined processing capability is still three subframes
  • still the feedback timing information defined in the 3GPP LTE Rel-13 and earlier releases that is, the feedback timing information may be determined according to Table 2
  • the processing duration corresponding to the determined processing capability is less than three subframes, that is, the processing duration in the UE is shortened
  • the UE may make feedback for the downlink data using new feedback timing information according to the processing duration in the UE.
  • feedback timing information for the UE to make feedback for downlink data in the respective uplink-downlink configurations when the processing duration is two subframes or one subframe can be determined according to Table 3 or Table 4, and feedback can be made for the downlink data.
  • the method according to the first embodiment of the invention can further include: determining the largest number of Hybrid Automatic Repeat Request (HARQ) processes for the UE to make feedback for downlink data, according to the determined processing capability, and uplink-downlink configuration information of the UE.
  • HARQ Hybrid Automatic Repeat Request
  • the largest number of HARQ processes for the UE to make feedback for the downlink data given a processing capability and uplink-downlink configuration can be determined according to the determined feedback timing information.
  • Table 5 lists the largest numbers of HARQ processes in the respective uplink-downlink configurations when the processing duration is two subframes
  • Table 6 lists the largest numbers of HARQ processes in the respective uplink-downlink configurations when the processing duration is one subframe.
  • the method can further include: if feedback is made in an uplink subframe n, for downlink data received in subframes n ⁇ k+10 ⁇ in an uplink-downlink configuration with a configuration number L, then determining the same subframe as a subframe indicated in third feedback timing information among the subframes n ⁇ k+10 ⁇ , where the subframe indicated in the third feedback timing information refers to a subframe, in which downlink data are transmitted, corresponding to feedback information transmitted in an uplink subframe n in an uplink-downlink configuration with a configuration number L (where L is a non-negative integer) according to feedback timing designed for a UE with a processing duration being three subframes (i.e., a subframe, in which downlink data are transmitted, for which feedback is made in the uplink subframe n, or a subframe for transmitting downlink data for which feedback is made in the uplink subframe n; for the determined same subframe, sharing an implicit PUCCH resource for transmitting feedback information
  • an implicit PUCCH resource for transmitting feedback information can be shared with the UE with a processing duration being three subframes.
  • an implicit PUCCH resource indicated in higher-layer signaling can be determined, or an implicit PUCCH resource can be determined under a predefined rule.
  • determining an implicit PUCCH resource for transmitting feedback information under the predefined rule can include: for any one of the other subframes among the subframes n ⁇ k+10 ⁇ than the determined same subframe, determining a start point of the implicit PUCCH resource indicated in higher-layer signaling, and determining the implicit PUCCH resource for transmitting feedback information, according to the start point, and the index of a first Control Channel Element (CCE) for transmitting a Physical Downlink Control Channel (PDCCH) in the any one subframe, where the start point is different from a start point of an implicit PUCCH resource over which the UE with the processing duration being three subframes transmits feedback information.
  • CCE Control Channel Element
  • a new implicit PUCCH resource can be determined under a predefined rule, where the predefined rule can particularly be that a start point of the new PUCCH is determined according to high-layer signaling, and the new implicit PUCCH resource is determined according to the start point, and the index of a first CCE for transmitting a PDCCH in the any one subframe.
  • the method for making feedback for downlink data according to the first embodiment of the invention can adapt feedback timing information for making feedback for downlink data when a processing duration of a UE is shortened.
  • a processing duration corresponding to a processing capability of a UE to process received downlink data is two subframes, and a configuration number corresponding to uplink-downlink configuration information is 0, feedback is made in an uplink subframe n, for downlink data received in a subframe n ⁇ k+10 ⁇ , where when n is 3, 4, 8, or 9, k is 3, where ⁇ is 0;
  • the number of HARQ processes for the UE to make feedback for the downlink data is determined as 3 according to the processing capability and the uplink-downlink configuration information;
  • an implicit PUCCH resource, for transmitting feedback information, indicated in high-layer signaling is determined, or an implicit PUCCH resource for transmitting feedback information is determined under a predefined rule.
  • FIG. 2 illustrates a schematic diagram of making feedback for downlink data by a UE in three processes in the solution according to the second embodiment of the invention, where a PDSCH transmission frame stands for a Physical Downlink Shared Channel (PDSCH) transmission frame.
  • PDSCH Physical Downlink Shared Channel
  • n when a processing duration corresponding to a processing capability of a UE to process received downlink data is two subframes, and a configuration number corresponding to uplink-downlink configuration information is 1, feedback is made in an uplink subframe n, for downlink data received in a subframe n ⁇ k+10 ⁇ , where when n is 2 or 7, k is 3 and 6, and when n is 3 or 8, k is 3, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0;
  • the number of HARQ processes for the UE to make feedback for the downlink data is determined as 5 according to the processing capability and the uplink-downlink configuration information;
  • an implicit PUCCH resource for transmitting feedback information is shared with a UE with a processing duration being three subframes;
  • an implicit PUCCH resource, for transmitting feedback information, indicated in high-layer signaling is determined, or an implicit PUCCH resource for transmitting feedback information is determined under a predefined rule.
  • FIG. 3 illustrates a schematic diagram of making feedback for downlink data by a UE in five processes in the solution according to the third embodiment of the invention.
  • n when a processing duration corresponding to a processing capability of a UE to process received downlink data is two subframes, and a configuration number corresponding to uplink-downlink configuration information is 2, feedback is made in an uplink subframe n, for downlink data received in a subframe n ⁇ k+10 ⁇ , where when n is 2 or 7, k is 7, 4, 3, and 6, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0;
  • the number of HARQ processes for the UE to make feedback for the downlink data is determined as 8 according to the processing capability and the uplink-downlink configuration information;
  • an implicit PUCCH resource for transmitting feedback information is shared with a UE with a processing duration being three subframes;
  • an implicit PUCCH resource, for transmitting feedback information, indicated in high-layer signaling is determined, or an implicit PUCCH resource for transmitting feedback information is determined under a predefined rule.
  • FIG. 4 illustrates a schematic diagram of making feedback for downlink data by a UE in eight processes in the solution according to the fourth embodiment of the invention.
  • n when a processing duration corresponding to a processing capability of a UE to process received downlink data is two subframes, and a configuration number corresponding to uplink-downlink configuration information is 3, feedback is made in an uplink subframe n, for downlink data received in a subframe n ⁇ k+10 ⁇ , where when n is 2, k is 7, 5, and 6; when n is 3, k is 5 and 4; and when n is 4, k is 4 and 3, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0;
  • the number of HARQ processes for the UE to make feedback for the downlink data is determined as 7 according to the processing capability and the uplink-downlink configuration information;
  • an implicit PUCCH resource for transmitting feedback information is shared with a UE with a processing duration being three subframes;
  • an implicit PUCCH resource, for transmitting feedback information, indicated in high-layer signaling is determined, or an implicit PUCCH resource for transmitting feedback information is determined under a predefined rule.
  • FIG. 5 a illustrates a schematic diagram of making feedback for downlink data by a UE in seven processes in the solution according to the fifth embodiment of the invention.
  • FIG. 5 b illustrates a schematic diagram of feedback timing in an uplink subframe 2 respectively in the UE with the processing duration being three subframes, and in the solution according to the fifth embodiment of the invention
  • FIG. 5 c illustrates a schematic diagram of allocated implicit PUCCH resources for transmitting feedback information in the uplink subframe 2 according to the fifth embodiment of the invention, where a PUSCH stands for a Physical Uplink Shared Channel (PUSCH).
  • PUSCH Physical Uplink Shared Channel
  • n when a processing duration corresponding to a processing capability of a UE to process received downlink data is two subframes, and a configuration number corresponding to uplink-downlink configuration information is 4, feedback is made in an uplink subframe n, for downlink data received in a subframe n ⁇ k+10 ⁇ , where when n is 2, k is 8, 7, 6, and 11, and when n is 3, k is 6, 5, 4, and 3, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0;
  • the number of HARQ processes for the UE to make feedback for the downlink data is determined as 10 according to the processing capability and the uplink-downlink configuration information;
  • an implicit PUCCH resource for transmitting feedback information is shared with a UE with a processing duration being three subframes;
  • an implicit PUCCH resource, for transmitting feedback information, indicated in high-layer signaling is determined, or an implicit PUCCH resource for transmitting feedback information is determined under a predefined rule.
  • FIG. 6 illustrates a schematic diagram of making feedback for downlink data by a UE in ten processes in the solution according to the sixth embodiment of the invention.
  • n when a processing duration corresponding to a processing capability of a UE to process received downlink data is two subframes, and a configuration number corresponding to uplink-downlink configuration information is 5, feedback is made in an uplink subframe n, for downlink data received in a subframe n ⁇ k+10 ⁇ , where when n is 2, k is 12, 9, 8, 7, 5, 4, 3, 11, and 6, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0;
  • the number of HARQ processes for the UE to make feedback for the downlink data is determined as 13 according to the processing capability and the uplink-downlink configuration information;
  • an implicit PUCCH resource for transmitting feedback information is shared with a UE with a processing duration being three subframes;
  • an implicit PUCCH resource, for transmitting feedback information, indicated in high-layer signaling is determined, or an implicit PUCCH resource for transmitting feedback information is determined under a predefined rule.
  • FIG. 7 illustrates a schematic diagram of making feedback for downlink data by a UE in thirteen processes in the solution according to the seventh embodiment of the invention.
  • n when a processing duration corresponding to a processing capability of a UE to process received downlink data is two subframes, and a configuration number corresponding to uplink-downlink configuration information is 6, feedback is made in an uplink subframe n, for downlink data received in a subframe n ⁇ k+10 ⁇ , where when n is 2 or 7, k is 6; when n is 3 or 4, k is 4; and when n is 8, k is 3, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0;
  • the number of HARQ processes for the UE to make feedback for the downlink data is determined as 13 according to the processing capability and the uplink-downlink configuration information;
  • an implicit PUCCH resource, for transmitting feedback information, indicated in high-layer signaling is determined, or an implicit PUCCH resource for transmitting feedback information is determined under a predefined rule.
  • FIG. 8 illustrates a schematic diagram of making feedback for downlink data by a UE in five processes in the solution according to the eighth embodiment of the invention.
  • a processing duration corresponding to a processing capability of a UE to process received downlink data is one subframe, and a configuration number corresponding to uplink-downlink configuration information is 0, feedback is made in an uplink subframe n, for downlink data received in a subframe n ⁇ k+10 ⁇ , where when n is 2, 3, 7, or 8, k is 2, where ⁇ is 0;
  • the number of HARQ processes for the UE to make feedback for the downlink data is determined as 2 according to the processing capability and the uplink-downlink configuration information;
  • an implicit PUCCH resource, for transmitting feedback information, indicated in high-layer signaling is determined, or an implicit PUCCH resource for transmitting feedback information is determined under a predefined rule.
  • FIG. 9 illustrates a schematic diagram of making feedback for downlink data by a UE in two processes in the solution according to the ninth embodiment of the invention.
  • n when a processing duration corresponding to a processing capability of a UE to process received downlink data is one subframe, and a configuration number corresponding to uplink-downlink configuration information is 1, feedback is made in an uplink subframe n, for downlink data received in a subframe n ⁇ k+10 ⁇ , where when n is 2 or 7, k is 3 and 2, and when n is 3 or 8, k is 2, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0;
  • the number of HARQ processes for the UE to make feedback for the downlink data is determined as 3 according to the processing capability and the uplink-downlink configuration information;
  • an implicit PUCCH resource for transmitting feedback information, indicated in high-layer signaling is determined, or an implicit PUCCH resource for transmitting feedback information is determined under a predefined rule.
  • FIG. 10 illustrates a schematic diagram of making feedback for downlink data by a UE in three processes in the solution according to the tenth embodiment of the invention.
  • n when a processing duration corresponding to a processing capability of a UE to process received downlink data is one subframe, and a configuration number corresponding to uplink-downlink configuration information is 2, feedback is made in an uplink subframe n, for downlink data received in a subframe n ⁇ k+10 ⁇ , where when n is 2 or 7, k is 4, 3, 2, and 6, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0;
  • the number of HARQ processes for the UE to make feedback for the downlink data is determined as 6 according to the processing capability and the uplink-downlink configuration information;
  • an implicit PUCCH resource for transmitting feedback information is shared with a UE with a processing duration being three subframes;
  • an implicit PUCCH resource, for transmitting feedback information, indicated in high-layer signaling is determined, or an implicit PUCCH resource for transmitting feedback information is determined under a predefined rule.
  • FIG. 12 illustrates a schematic diagram of making feedback for downlink data by a UE in six processes in the solution according to the eleventh embodiment of the invention.
  • n when a processing duration corresponding to a processing capability of a UE to process received downlink data is one subframe, and a configuration number corresponding to uplink-downlink configuration information is 3, feedback is made in an uplink subframe n, for downlink data received in a subframe n ⁇ k+10 ⁇ , where when n is 2, k is 7, 5, and 6; when n is 3, k is 5 and 4; and when n is 4, k is 4 and 3, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0;
  • the number of HARQ processes for the UE to make feedback for the downlink data is determined as 7 according to the processing capability and the uplink-downlink configuration information;
  • an implicit PUCCH resource for transmitting feedback information is shared with a UE with a processing duration being three subframes;
  • an implicit PUCCH resource, for transmitting feedback information, indicated in high-layer signaling is determined, or an implicit PUCCH resource for transmitting feedback information is determined under a predefined rule.
  • FIG. 12 illustrates a schematic diagram of making feedback for downlink data by a UE in seven processes in the solution according to the twelfth embodiment of the invention.
  • n ⁇ k+10 ⁇ when n is 2, k is 8, 7, 5, and 6; when n is 3, k is 5 and 4; and when n is 3, k is 5, 4, 3, and 2, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0;
  • the number of HARQ processes for the UE to make feedback for the downlink data is determined as 8 according to the processing capability and the uplink-downlink configuration information;
  • an implicit PUCCH resource for transmitting feedback information is shared with a UE with a processing duration being three subframes;
  • an implicit PUCCH resource, for transmitting feedback information, indicated in high-layer signaling is determined, or an implicit PUCCH resource for transmitting feedback information is determined under a predefined rule.
  • FIG. 13 illustrates a schematic diagram of making feedback for downlink data by a UE in eight processes in the solution according to the thirteenth embodiment of the invention.
  • n when a processing duration corresponding to a processing capability of a UE to process received downlink data is one subframe, and a configuration number corresponding to uplink-downlink configuration information is 5, feedback is made in an uplink subframe n, for downlink data received in a subframe n ⁇ k+10 ⁇ , where when n is 2, k is 9, 8, 7, 5, 4, 3, 2, 11, and 6, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0;
  • the number of HARQ processes for the UE to make feedback for the downlink data is determined as 12 according to the processing capability and the uplink-downlink configuration information;
  • an implicit PUCCH resource for transmitting feedback information is shared with a UE with a processing duration being three subframes;
  • an implicit PUCCH resource, for transmitting feedback information, indicated in high-layer signaling is determined, or an implicit PUCCH resource for transmitting feedback information is determined under a predefined rule.
  • FIG. 14 illustrates a schematic diagram of making feedback for downlink data by a UE in twelve processes in the solution according to the fourteenth embodiment of the invention.
  • n when a processing duration corresponding to a processing capability of a UE to process received downlink data is one subframe, and a configuration number corresponding to uplink-downlink configuration information is 6, feedback is made in an uplink subframe n, for downlink data received in a subframe n ⁇ k+10 ⁇ , where when n is 2, 3, or 4, k is 3, and when n is 7 or 8, k is 2, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0;
  • the number of HARQ processes for the UE to make feedback for the downlink data is determined as 5 according to the processing capability and the uplink-downlink configuration information;
  • an implicit PUCCH resource, for transmitting feedback information, indicated in high-layer signaling is determined, or an implicit PUCCH resource for transmitting feedback information is determined under a predefined rule.
  • FIG. 15 illustrates a schematic diagram of making feedback for downlink data by a UE in five processes in the solution according to the fifteenth embodiment of the invention.
  • the method for making feedback for downlink data can adapt feedback timing information for making feedback for downlink data when a processing duration of a UE is shortened.
  • the sixteenth embodiment of the invention further provides an apparatus for making feedback for downlink data, and reference can be made to the embodiment of the method above for a particular implementation of the apparatus, so a repeated description thereof will be omitted here.
  • FIG. 16 a illustrates a schematic structural diagram thereof, where the apparatus can particularly include:
  • a processing module 1601 is configured to determine a processing capability of a User Equipment (UE), where the processing capability refers to a processing duration that the UE takes to process received downlink data to decide whether to retransmit the downlink data; and
  • UE User Equipment
  • a feedback module 1602 is configured to determine feedback timing information for the UE to make feedback for the downlink data, according to the determined processing capability.
  • the feedback module 1602 can be configured: if the processing duration corresponding to the processing capability is three subframes, to determine first feedback timing information for the UE to make data for the downlink data, where the first feedback timing information is feedback timing information defined in the GPP LTE Rel-13 and earlier releases; and if the processing duration corresponding to the processing capability is less than three subframes, to determine second feedback timing information for the UE to make data for the downlink data, where the shortest duration for the UE to make feedback for the received downlink data according to feedback timing indicated in the second feedback timing information is less than the shortest duration for the UE to make feedback for the received downlink data according to feedback timing indicated in the first feedback timing information.
  • the feedback module 1602 can be configured: if the processing duration corresponding to the processing capability is two subframes, to decide to make feedback for downlink data in a subframe n ⁇ k+10 ⁇ , in an uplink subframe n, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0, where if a configuration number corresponding to uplink-downlink configuration information is 0, then when n is 3, 4, 8, or 9, k is 3; if the configuration number corresponding to the uplink-downlink configuration information is 1, then when n is 2 or 7, k is 3 and 6, and when n is 3 or 8, k is 3; if the configuration number corresponding to the uplink-downlink configuration information is 2, then when n is 2 or 7, k is 7, 4, 3, and 6; if the configuration number corresponding to the uplink-downlink configuration information is 3, then when n is 2, k is 7, 5, and 6, when n is 3, k is 5 and 4, and when n is 4, k is 4 and 3; if the configuration number
  • the feedback module 1602 can be configured: if the processing duration corresponding to the processing capability is one subframe, to decide to make feedback for downlink data in a subframe n ⁇ k+10 ⁇ , in an uplink subframe n, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0, where if a configuration number corresponding to uplink-downlink configuration information is 0, then when n is 2, 3, 7, or 8, k is 2; if the configuration number corresponding to the uplink-downlink configuration information is 1, then when n is 2 or 7, k is 3 and 2, and when n is 3 or 8, k is 2; if the configuration number corresponding to the uplink-downlink configuration information is 2, then when n is 2 or 7, k is 4, 3, 2, and 6; if the configuration number corresponding to the uplink-downlink configuration information is 3, then when n is 2, k is 7, 5, and 6, when n is 3, k is 5 and 4, and when n is 4, k is 4 and 3; if the configuration number corresponding
  • the apparatus according to the sixteenth embodiment of the invention can further include:
  • a process amount determining module 1603 is configured to determine the largest number of HARQ processes for the UE to make feedback for the downlink data, according to the determined processing capability, and uplink-downlink configuration information of the UE.
  • process amount determining module 1603 can be configured: when the processing duration corresponding to the processing capability is two subframes, if a configuration number corresponding to the uplink-downlink configuration information is 0, to determine the largest number of HARQ processes as 3; if the configuration number corresponding to the uplink-downlink configuration information is 1, to determine the largest number of HARQ processes as 5; if the configuration number corresponding to the uplink-downlink configuration information is 2, to determine the largest number of HARQ processes as 8; if the configuration number corresponding to the uplink-downlink configuration information is 3, to determine the largest number of HARQ processes as 7; if the configuration number corresponding to the uplink-downlink configuration information is 4, to determine the largest number of HARQ processes as 10; if the configuration number corresponding to the uplink-downlink configuration information is 5, to determine the largest number of HARQ processes as 13; and if the configuration number corresponding to the uplink-downlink configuration information is 6, to determine the largest number of HARQ processes as 5.
  • a process amount determining module 1603 can be configured: when the processing duration corresponding to the processing capability is one subframe, if a configuration number corresponding to the uplink-downlink configuration information is 0, to determine the largest number of HARQ processes as 2; if the configuration number corresponding to the uplink-downlink configuration information is 1, to determine the largest number of HARQ processes as 3; if the configuration number corresponding to the uplink-downlink configuration information is 2, to determine the largest number of HARQ processes as 6; if the configuration number corresponding to the uplink-downlink configuration information is 3, to determine the largest number of HARQ processes as 7; if the configuration number corresponding to the uplink-downlink configuration information is 4, to determine the largest number of HARQ processes as 8; if the configuration number corresponding to the uplink-downlink configuration information is 5, to determine the largest number of HARQ processes as 12; and if the configuration number corresponding to the uplink-downlink configuration information is 6, to determine the largest number of HARQ processes as 5.
  • the apparatus according to the sixteenth embodiment of the invention can further include:
  • a resource determining module 1604 is configured: if feedback is made in an uplink subframe n, for downlink data received in subframes n ⁇ k+10 ⁇ in an uplink-downlink configuration with a configuration number L, to determine the same subframe as a subframe indicated in third feedback timing information among the subframes n ⁇ k+10 ⁇ , where the subframe indicated in the third feedback timing information refers to a subframe, in which downlink data are transmitted, corresponding to feedback information transmitted in the uplink subframe n in the uplink-downlink configuration with the configuration number L according to feedback timing designed for a UE with a processing length of time being three subframes; for the determined same subframe, to share an implicit PUCCH resource for transmitting feedback information, with the UE with the processing duration being three subframes; and for any one of the other subframes among the subframes n ⁇ k+10 ⁇ than the determined same subframe, to determine an implicit PUCCH resource, for transmitting feedback information, indicated in higher-layer signaling, or to determine an
  • the resource determining module 1604 can be configured: for any one of the other subframes among the subframes n ⁇ k+10 ⁇ than the determined same subframe, to determine a start point of the implicit PUCCH resource indicated in the higher-layer signaling, and to determine the implicit PUCCH resource for transmitting feedback information, according to the start point, and the index of a first CCE for transmitting a PDCCH in the any one subframe, where the start point is different from a start point of an implicit PUCCH resource over which the UE with the processing duration being three subframes transmits feedback information.
  • FIG. 16 d illustrates a schematic structural diagram in details of the apparatus for making feedback for downlink data according to the sixteenth embodiment of the invention.
  • the apparatus for making feedback for downlink data can adapt feedback timing information for making feedback for downlink data when a processing duration of a UE is shortened.
  • the seventeenth embodiment of the invention provides a Use Equipment (UE) as illustrated in FIG. 17 , where the UE includes:
  • a processor 1701 is configured to read and execute program in a memory 1702 :
  • the processing capability refers to a processing duration that the UE takes to process received downlink data to decide whether to retransmit the downlink data
  • the processor 1701 can be configured: if the processing duration corresponding to the processing capability is three subframes, to determine first feedback timing information for the UE to make data for the downlink data, where the first feedback timing information is feedback timing information defined in the GPP LTE Rel-13 and earlier releases; and if the processing duration corresponding to the processing capability is less than three subframes, to determine second feedback timing information for the UE to make data for the downlink data, where the shortest duration for the UE to make feedback for the received downlink data according to feedback timing indicated in the second feedback timing information is less than the shortest duration for the UE to make feedback for the received downlink data according to feedback timing indicated in the first feedback timing information.
  • the processor 1701 can be configured: if the processing duration corresponding to the processing capability is two subframes, to decide to make feedback for downlink data in a subframe n ⁇ k+10 ⁇ , in an uplink subframe n, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0, where if a configuration number corresponding to uplink-downlink configuration information is 0, then when n is 3, 4, 8, or 9, k is 3; if the configuration number corresponding to the uplink-downlink configuration information is 1, then when n is 2 or 7, k is 3 and 6, and when n is 3 or 8, k is 3; if the configuration number corresponding to the uplink-downlink configuration information is 2, then when n is 2 or 7, k is 7, 4, 3, and 6; if the configuration number corresponding to the uplink-downlink configuration information is 3, then when n is 2, k is 7, 5, and 6, when n is 3, k is 5 and 4, and when n is 4, k is 4 and 3; if the configuration number corresponding
  • the processor 1701 can be configured: if the processing duration corresponding to the processing capability is one subframe, to decide to make feedback for downlink data in a subframe n ⁇ k+10 ⁇ , in an uplink subframe n, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0, where if a configuration number corresponding to uplink-downlink configuration information is 0, then when n is 2, 3, 7, or 8, k is 2; if the configuration number corresponding to the uplink-downlink configuration information is 1, then when n is 2 or 7, k is 3 and 2, and when n is 3 or 8, k is 2; if the configuration number corresponding to the uplink-downlink configuration information is 2, then when n is 2 or 7, k is 4, 3, 2, and 6; if the configuration number corresponding to the uplink-downlink configuration information is 3, then when n is 2, k is 7, 5, and 6, when n is 3, k is 5 and 4, and when n is 4, k is 4 and 3; if the configuration number corresponding to
  • the processor 1701 can be further configured: to determine the largest number of HARQ processes for the UE to make feedback for the downlink data, according to the determined processing capability, and uplink-downlink configuration information of the UE.
  • the processor 1701 can be configured: when the processing duration corresponding to the processing capability is two subframes, if a configuration number corresponding to the uplink-downlink configuration information is 0, to determine the largest number of HARQ processes as 3; if the configuration number corresponding to the uplink-downlink configuration information is 1, to determine the largest number of HARQ processes as 5; if the configuration number corresponding to the uplink-downlink configuration information is 2, to determine the largest number of HARQ processes as 8; if the configuration number corresponding to the uplink-downlink configuration information is 3, to determine the largest number of HARQ processes as 7; if the configuration number corresponding to the uplink-downlink configuration information is 4, to determine the largest number of HARQ processes as 10; if the configuration number corresponding to the uplink-downlink configuration information is 5, to determine the largest number of HARQ processes as 13; and if the configuration number corresponding to the uplink-downlink configuration information is 6, to determine the largest number of HARQ processes as 5.
  • the processor 1701 can be configured: when the processing duration corresponding to the processing capability is one subframe, if a configuration number corresponding to the uplink-downlink configuration information is 0, to determine the largest number of HARQ processes as 2; if the configuration number corresponding to the uplink-downlink configuration information is 1, to determine the largest number of HARQ processes as 3; if the configuration number corresponding to the uplink-downlink configuration information is 2, to determine the largest number of HARQ processes as 6; if the configuration number corresponding to the uplink-downlink configuration information is 3, to determine the largest number of HARQ processes as 7; if the configuration number corresponding to the uplink-downlink configuration information is 4, to determine the largest number of HARQ processes as 8; if the configuration number corresponding to the uplink-downlink configuration information is 5, to determine the largest number of HARQ processes as 12; and if the configuration number corresponding to the uplink-downlink configuration information is 6, to determine the largest number of HARQ processes as 5.
  • the processor 1701 can be further configured: if feedback is made in an uplink subframe n, for downlink data received in subframes n ⁇ k+10 ⁇ in an uplink-downlink configuration with a configuration number L, to determine the same subframe as a subframe indicated in third feedback timing information among the subframes n ⁇ k+10 ⁇ , where the subframe indicated in the third feedback timing information refers to a subframe, in which downlink data are transmitted, corresponding to feedback information transmitted in the uplink subframe n in the uplink-downlink configuration with the configuration number L according to feedback timing designed for a UE with a processing length of time being three subframes; for the determined same subframe, to share an implicit PUCCH resource for transmitting feedback information, with the UE with the processing duration being three subframes; and for any one of the other subframes among the subframes n ⁇ k+10 ⁇ than the determined same subframe, to determine an implicit PUCCH resource, for transmitting feedback information, indicated in higher-layer signaling, or to determine an implicit
  • the processor 1701 can be configured: for any one of the other subframes among the subframes n ⁇ k+10 ⁇ than the determined same subframe, to determine a start point of the implicit PUCCH resource indicated in the higher-layer signaling, and to determine the implicit PUCCH resource for transmitting feedback information, according to the start point, and the index of a first CCE for transmitting a PDCCH in the any one subframe, where the start point is different from a start point of an implicit PUCCH resource over which the UE with the processing duration being three subframes transmits feedback information.
  • the bus architecture can include any number of interconnecting buses and bridges to particularly link together various circuits including one or more processors represented by the processor 1701 , and one or more memories represented by the memory 1702 .
  • the bus architecture can further link together various other circuits, e.g., a peripheral device, a manostat, a power management circuit, etc., all of which are well known in the art, so a further description thereof will be omitted in this context.
  • the bus interface serves as an interface.
  • the user interface 1703 can also be an interface via which devices are connected internally and externally as needed, and the connected devices include but will not be limited to a keypad, a monitor, a speaker, a microphone, a joystick, etc.
  • the processor 1701 is responsible for managing the bus architecture and performing normal processes, and the memory 1702 can store data for use by the processor 1701 in performing the operations.
  • the eighteenth embodiment of the invention further provides a network-side device as illustrated in FIG. 18 , where the network-side device includes:
  • a processor 1801 is configured to read and execute program in a memory 1802 :
  • the processing capability refers to a processing duration that the UE takes to process received downlink data to decide whether to retransmit the downlink data
  • the processor 1801 can be configured: if the processing duration corresponding to the processing capability is three subframes, to determine first feedback timing information for the UE to make data for the downlink data, where the first feedback timing information is feedback timing information defined in the GPP LTE Rel-13 and earlier releases; and if the processing duration corresponding to the processing capability is less than three subframes, to determine second feedback timing information for the UE to make data for the downlink data, where the shortest duration for the UE to make feedback for the received downlink data according to feedback timing indicated in the second feedback timing information is less than the shortest duration for the UE to make feedback for the received downlink data according to feedback timing indicated in the first feedback timing information.
  • the processor 1801 can be configured: if the processing duration corresponding to the processing capability is two subframes, to decide to make feedback for downlink data in a subframe n ⁇ k+10 ⁇ , in an uplink subframe n, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0, where if a configuration number corresponding to uplink-downlink configuration information is 0, then when n is 3, 4, 8, or 9, k is 3; if the configuration number corresponding to the uplink-downlink configuration information is 1, then when n is 2 or 7, k is 3 and 6, and when n is 3 or 8, k is 3; if the configuration number corresponding to the uplink-downlink configuration information is 2, then when n is 2 or 7, k is 7, 4, 3, and 6; if the configuration number corresponding to the uplink-downlink configuration information is 3, then when n is 2, k is 7, 5, and 6, when n is 3, k is 5 and 4, and when n is 4, k is 4 and 3; if the configuration number corresponding
  • the processor 1801 can be configured: if the processing duration corresponding to the processing capability is one subframe, to decide to make feedback for downlink data in a subframe n ⁇ k+10 ⁇ , in an uplink subframe n, where when n ⁇ k, ⁇ is 1, and when n ⁇ k, ⁇ is 0, where if a configuration number corresponding to uplink-downlink configuration information is 0, then when n is 2, 3, 7, or 8, k is 2; if the configuration number corresponding to the uplink-downlink configuration information is 1, then when n is 2 or 7, k is 3 and 2, and when n is 3 or 8, k is 2; if the configuration number corresponding to the uplink-downlink configuration information is 2, then when n is 2 or 7, k is 4, 3, 2, and 6; if the configuration number corresponding to the uplink-downlink configuration information is 3, then when n is 2, k is 7, 5, and 6, when n is 3, k is 5 and 4, and when n is 4, k is 4 and 3; if the configuration number corresponding to
  • the processor 1801 can be further configured: to determine the largest number of HARQ processes for the UE to make feedback for the downlink data, according to the determined processing capability, and uplink-downlink configuration information of the UE.
  • the processor 1801 can be configured: when the processing duration corresponding to the processing capability is two subframes, if a configuration number corresponding to the uplink-downlink configuration information is 0, to determine the largest number of HARQ processes as 3; if the configuration number corresponding to the uplink-downlink configuration information is 1, to determine the largest number of HARQ processes as 5; if the configuration number corresponding to the uplink-downlink configuration information is 2, to determine the largest number of HARQ processes as 8; if the configuration number corresponding to the uplink-downlink configuration information is 3, to determine the largest number of HARQ processes as 7; if the configuration number corresponding to the uplink-downlink configuration information is 4, to determine the largest number of HARQ processes as 10; if the configuration number corresponding to the uplink-downlink configuration information is 5, to determine the largest number of HARQ processes as 13; and if the configuration number corresponding to the uplink-downlink configuration information is 6, to determine the largest number of HARQ processes as 5.
  • the processor 1801 can be configured: when the processing duration corresponding to the processing capability is one subframe, if a configuration number corresponding to the uplink-downlink configuration information is 0, to determine the largest number of HARQ processes as 2; if the configuration number corresponding to the uplink-downlink configuration information is 1, to determine the largest number of HARQ processes as 3; if the configuration number corresponding to the uplink-downlink configuration information is 2, to determine the largest number of HARQ processes as 6; if the configuration number corresponding to the uplink-downlink configuration information is 3, to determine the largest number of HARQ processes as 7; if the configuration number corresponding to the uplink-downlink configuration information is 4, to determine the largest number of HARQ processes as 8; if the configuration number corresponding to the uplink-downlink configuration information is 5, to determine the largest number of HARQ processes as 12; and if the configuration number corresponding to the uplink-downlink configuration information is 6, to determine the largest number of HARQ processes as 5.
  • the processor 1801 can be further configured: if feedback is made in an uplink subframe n, for downlink data received in subframes n ⁇ k+10 ⁇ in an uplink-downlink configuration with a configuration number L, to determine the same subframe as a subframe indicated in third feedback timing information among the subframes n ⁇ k+10 ⁇ , where the subframe indicated in the third feedback timing information refers to a subframe, in which downlink data are transmitted, corresponding to feedback information transmitted in the uplink subframe n in the uplink-downlink configuration with the configuration number L according to feedback timing designed for a UE with a processing duration being three subframes; for the determined same subframe, to share an implicit PUCCH resource for transmitting feedback information, with the UE with the processing duration being three subframes; and for any one of the other subframes among the subframes n ⁇ k+10 ⁇ than the determined same subframe, to determine an implicit PUCCH resource, for transmitting feedback information, indicated in higher-layer signaling, or to determine an implicit PUCCH
  • the processor 1801 can be configured: for any one of the other subframes among the subframes n ⁇ k+10 ⁇ than the determined same subframe, to determine a start point of the implicit PUCCH resource indicated in the higher-layer signaling, and to determine the implicit PUCCH resource for transmitting feedback information, according to the start point, and the index of a first CCE for transmitting a PDCCH in the any one subframe, where the start point is different from a start point of an implicit PUCCH resource over which the UE with the processing duration being three subframes transmits feedback information.
  • the bus architecture can include any number of interconnecting buses and bridges to particularly link together various circuits including one or more processors represented by the processor 1801 , and one or more memories represented by the memory 1802 .
  • the bus architecture can further link together various other circuits, e.g., a peripheral device, a manostat, a power management circuit, etc., all of which are well known in the art, so a further description thereof will be omitted in this context.
  • the bus interface serves as an interface.
  • the processor 1801 is responsible for managing the bus architecture and performing normal processes, and the memory 1802 can store data for use by the processor 1801 in performing the operations.
  • the feedback timing information for the UE to make feedback for the downlink data can be determined respectively according to the different processing capability of the UE, i.e., the different processing duration for the UE to process the received downlink data to decide whether to retransmit the downlink data, and at this time, if the processing duration in the UE is shortened, then the feedback timing information for making feedback for the downlink data will be adapted, and feedback will be made for the downlink data, thus improving the user-plane delay performance.
  • the embodiments of the invention can be embodied as a method, a system or a computer program product. Therefore the invention can be embodied in the form of an all-hardware embodiment, an all-software embodiment or an embodiment of software and hardware in combination. Furthermore the invention can be embodied in the form of a computer program product embodied in one or more computer useable storage mediums (including but not limited to a disk memory, a CD-ROM, an optical memory, etc.) in which computer useable program codes are contained.
  • a computer useable storage mediums including but not limited to a disk memory, a CD-ROM, an optical memory, etc.
  • These computer program instructions can also be stored into a computer readable memory capable of directing the computer or the other programmable data processing device to operate in a specific manner so that the instructions stored in the computer readable memory create an article of manufacture including instruction means which perform the functions specified in the flow(s) of the flow chart and/or the block(s) of the block diagram.
  • These computer program instructions can also be loaded onto the computer or the other programmable data processing device so that a series of operational steps are performed on the computer or the other programmable data processing device to create a computer implemented process so that the instructions executed on the computer or the other programmable device provide steps for performing the functions specified in the flow(s) of the flow chart and/or the block(s) of the block diagram.

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JP2019528618A (ja) 2019-10-10
EP3499764A4 (fr) 2019-11-27
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KR20190034672A (ko) 2019-04-02
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